Title (en)

DEVELOPER FOR DRY PS PLATES

Publication

EP 0336400 A3 19901212 (EN)

Application

EP 89105990 A 19890405

Priority

JP 8617788 A 19880407

Abstract (en)

[origin: EP0336400A2] A developer for developing a dry presensitized plate for use in making lithographic printing plates requiring no dampening water during printing, comprising a substrate provided thereon with, in order, a primer layer, a light-sensitive layer and a silicone rubber layer, comprises (i) at least one organic solvent capable of dissolving or swelling unexposed portions of the light-sensitive layer and whose solubility in water at ordinary temperature is not more than 20% by weight; (ii) at least one basic compound; (iii) at least one surfactant; and (iv) water. The developer makes it possible to continuously and stably process a large quantities of dry presensitized plates for use in making dry lithographic printing plates without generating sludge in the developer which possibly causes clogging of a filter of an automatic developing machine.

IPC 1-7

G03F 7/26

IPC 8 full level

G03F 7/00 (2006.01); G03F 7/32 (2006.01)

CPC (source: EP)

G03F 7/322 (2013.01)

Citation (search report)

• [X] DE 3543961 A1 19860612 - FUJI PHOTO FILM CO LTD [JP]
• [Y] GB 2110401 A 19830615 - BICC PLC
• [YP] DE 3812636 A1 19881110 - FUJI PHOTO FILM CO LTD [JP]
• [Y] PATENT ABSTRACTS OF JAPAN vol. 11, no. 203 (P-591)(2650) 2 July 1987, & JP-A-62 25761 (KONISHIROKU PHOTO)
• [YP] PATENT ABSTRACTS OF JAPAN vol. 12, no. 319 (P-751)(3166) 30 August 1988, & JP-A-63 85542 (KONICA CORP.)
• [A] PATENT ABSTRACTS OF JAPAN vol. 12, no. 266 (P-735)(3113) 26 July 1988, & JP-A-63 52145 (TORAY IND.)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0336400 A2 19891011; EP 0336400 A3 19901212; JP 2542898 B2 19961009; JP H01257847 A 19891013

DOCDB simple family (application)

EP 89105990 A 19890405; JP 8617788 A 19880407